fix api of call() with flat arguments, and add error handlers
Checking in changes prior to tagging of version 0.02.

Changelog diff is:

diff --git a/Changes b/Changes
index d29e39e..8c3855b 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension MessagePack-RPC-HTTP-Client

 {{$NEXT}}

+0.02 2013-09-18T15:04:56Z
+
+    - fix call() api with flat argument list
+    - add handler for server errors
+
 0.01 2013-09-18T14:28:12Z

     - original version